| APA | NTI. (2012, February 14). In Acronym Geek. Retrieved 07:00, February 14, 2012, from http://www.acronymgeek.com/NTI |
| MLA | "NTI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NTI>. |
| MHRA | 'NTI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NTI> [accessed 14 February 2012] |
| Chicago | "NTI", http://www.acronymgeek.com/NTI (accessed February 14, 2012). |
| CBE/CSE | NTI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NTI. |
| Bluebook | NTI, http://www.acronymgeek.com/NTI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NTI, http://www.acronymgeek.com/NTI (optional description here) (as of Feb. 14, 2012, 07:00). |
| AMA | NTI. Acronym Geek. February 14, 2012, 07:00. Available at: http://www.acronymgeek.com/NTI. Accessed February 14, 2012, 07:00. |